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Geberit Sigma Concealed Cistern

In-wall concealed cistern system comprising a steel frame, cistern, flush plate and carrier for wall-hung WCs. The Sigma 8 cistern fits within a 12 cm-deep installation depth, freeing floor space in compact assisted bathrooms. The flush plate is available in smooth formats with large push pads — easy for residents with limited dexterity.

£180–£320 (frame + cistern); flush plate £60–£180Manufacturer Spec SheetCheck this product price

Why care homes use this

Wall-hung WC installations with concealed cisterns eliminate the floor-level pedestal that obstructs lateral transfer from a wheelchair or hoist sling. The raised pan height (typically 46–50 cm) reduces the effort required for sit-to-stand transfer without a raiser, which is a significant falls-reduction measure in care home bathrooms.

Key specification

Sigma 8 cistern; installation depth 120 mm; WC carrier height-adjustable 36–46 cm; flush plate Sigma20/30/40/70; water consumption 3/6 or 4.5/6 litres; WRAS-approved.

Where to source it

GeberitWolseleyGraham Plumbing

Standards, guidance & manufacturer resources

Geberit Sigma range (UK)BS 8300 WC pan height guidanceApproved Document M accessible WC layoutWRAS water fittings approval

Specification resources

WordPre-Occupation Property Condition Checklist

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